83 + 4 =
87
77 + 5 =
82
80 - 15 =
65
100 - 55 =
45
33 - 3 =
30
90 - 16 =
74
65 + 12 =
77
59 + 38 =
97
89 - 33 =
56
90 - 6 =
84
15 + 25 =
40
88 - 66 =
22
15 + 25 =
40
89 - 13 =
76
76 - 15 =
61
50 + 50 =
100
10 + 3 =
13
40 + 60 =
100
85 - 25 =
60